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Re: Emacs-26 threads problem [win64]

From: Paul Eggert
Subject: Re: Emacs-26 threads problem [win64]
Date: Fri, 13 Oct 2017 15:28:40 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

On 10/13/2017 11:52 AM, Eli Zaretskii wrote:
So it looks like new_thread could be aligned at just 8 bytes, but GCC
assumes for some reason that it's 16-byte aligned, and issues an
instruction that requires such an alignment.

It's not a GCC bug. It's a bug in the way that Emacs allocates pseudovectors. We assume that an alignment of 8 is enough, but apparently this is incorrect for the struct thread type under MS-Windows. I'll see if I can squeeze some time free to look into this.

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